Declension table of ?rātryāndhya

Neuter	Singular	Dual	Plural
Nominative	rātryāndhyam	rātryāndhye	rātryāndhyāni
Vocative	rātryāndhya	rātryāndhye	rātryāndhyāni
Accusative	rātryāndhyam	rātryāndhye	rātryāndhyāni
Instrumental	rātryāndhyena	rātryāndhyābhyām	rātryāndhyaiḥ
Dative	rātryāndhyāya	rātryāndhyābhyām	rātryāndhyebhyaḥ
Ablative	rātryāndhyāt	rātryāndhyābhyām	rātryāndhyebhyaḥ
Genitive	rātryāndhyasya	rātryāndhyayoḥ	rātryāndhyānām
Locative	rātryāndhye	rātryāndhyayoḥ	rātryāndhyeṣu

Compound rātryāndhya -

Adverb -rātryāndhyam -rātryāndhyāt